Hardening carbon steels, by H.R. Badger and J.E. Storey.--Hardening carbon and low tungsten steels.--The electric hardening furnace.--Heat treatment of spring steel.--Heat treatment of alloy steels.--Case-hardening.--Case-hardening furnaces and their use, by J.F. Sallows
Copyright-evidenceEvidence reported by ian white for item heattreatmentofs00badgrich on February 2, 2007: visible notice of copyright; stated date is 1910.